body{
    margin: 0;
    background-color: #f9f4d4;
}
#all{
    margin: 0 auto;
    width: 1024px;
    height: 100%

}
#all .top{
    margin: 0;
    float: left;
    width: 1024px;
    height: 170px;
    background-image:url("../img/login_top.jpg");
    border: 1px solid #cccccc;
}
#all .top .left1{
    margin: 50px 0 0 100px;
    float: left;
    width: 400px;
    font-size: 22px;
}
#all .top .right1{
    margin:50px 0 0 0;
    float: right;
    width: 200px;
    font-size: 22px;
}
a{
    text-decoration: none;
    color: black;
}

#all .middle{
    margin: 0;
    float: left;
    width: 1024px;
    height: 724px;
    background-color: aliceblue;
    border: 1px solid #cccccc;
}
#all .middle .center{
    margin: 30px 0 0 200px;
    float: left;
    width: 900px;
    height: 700px;
}
#all .middle .center .tip{
    margin:10px 0 0 0;
    float: left;
    width: 800px;
    height: 90px;
}
#all .middle .center .tip .left2{
    margin: 0;
    float: left;
    width: 400px;
    height: 80px;
}
#all .middle .center .tip .left2 .left3{
    margin: 0;
    float: left;
    width: 130px;
    height: 80px;
}
#all .middle .center .tip .left2 .right3{
    margin: 0;
    float: right;
    width: 270px;
    height: 80px;
}

#all .middle .center .tip .right2{
    margin: 0;
    float: left;
    width: 400px;
    height: 80px;
}
label{
    font-size: 20px;
}